Gene description for UPK1A
Gene name uroplakin 1A
Gene symbol UPK1A
Other names/aliases TSPAN21
UP1A
UPIA
UPKA
Species Homo sapiens
 Database cross references - UPK1A
ExoCarta ExoCarta_11045
Entrez Gene 11045
HGNC 12577
MIM 611557
UniProt O00322  
 UPK1A identified in exosomes derived from the following tissue/cell type
Urine 15326289    
Urine 19056867    
Urine 22418980    
Urine 22418980    
 Gene ontology annotations for UPK1A
Molecular Function
    monosaccharide binding GO:0048029 ISS
    protein homodimerization activity GO:0042803 ISS
Biological Process
    epithelial cell differentiation GO:0030855 IDA
    protein oligomerization GO:0051259 ISS
Subcellular Localization
    endoplasmic reticulum GO:0005783 ISS
    apical plasma membrane GO:0016324 IEA
    extracellular exosome GO:0070062 IDA
    plasma membrane GO:0005886 TAS
    integral component of membrane GO:0016021 ISS
 Experiment description of studies that identified UPK1A in exosomes
1
Experiment ID 13
ISEV standards
IEM
EV Biophysical techniques
Alix|RAB4|RAB5B|RAB11|TSG101
EV Cytosolic markers
CD9|AQP2|AQP1
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 15326289    
Organism Homo sapiens
Experiment description Identification and proteomic profiling of exosomes in human urine.
Authors Pisitkun T, Shen RF, Knepper MA
Journal name PNAS
Publication year 2004
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA XP]
Western blotting
2
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
3
Experiment ID 196
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal high density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 197
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal low density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for UPK1A
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 UPK2 7379
Invivo Homo sapiens
Invitro Homo sapiens
2 UPK1A 11045
Invitro Homo sapiens
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which UPK1A is involved
No pathways found





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